146 lines
3.6 KiB
Diff
146 lines
3.6 KiB
Diff
diff -up unix2dos-2.2/unix2dos.c.tmppath unix2dos-2.2/unix2dos.c
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--- unix2dos-2.2/unix2dos.c.tmppath 2008-09-08 10:14:30.000000000 +0100
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+++ unix2dos-2.2/unix2dos.c 2008-09-08 10:14:30.000000000 +0100
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@@ -57,7 +57,10 @@
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#ifdef __MSDOS__
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# include <dir.h>
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+#else
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+# include <unistd.h>
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#endif __MSDOS
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+#include <libgen.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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@@ -195,6 +198,40 @@ int ConvertUnixToDos(FILE* ipInF, FILE*
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}
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+static int MakeTempFileFrom(const char *OutFN, char **fname_ret)
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+{
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+ char *cpy = strdup(OutFN);
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+ char *dir = NULL;
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+ size_t fname_len = 0;
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+ char *fname_str = NULL;
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+ int fd = -1;
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+
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+ *fname_ret = NULL;
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+
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+ if (!cpy)
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+ goto make_failed;
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+
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+ dir = dirname(cpy);
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+
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+ fname_len = strlen(dir) + strlen("/u2dtmpXXXXXX") + sizeof (char);
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+ if (!(fname_str = malloc(fname_len)))
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+ goto make_failed;
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+ sprintf(fname_str, "%s%s", dir, "/u2dtmpXXXXXX");
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+ *fname_ret = fname_str;
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+
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+ free(cpy);
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+
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+ if ((fd = mkstemp(fname_str)) == -1)
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+ goto make_failed;
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+
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+ return (fd);
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+
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+ make_failed:
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+ free(*fname_ret);
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+ *fname_ret = NULL;
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+ return (-1);
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+}
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+
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/* convert file ipInFN to DOS format text and write to file ipOutFN
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* RetVal: 0 if success
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* -1 otherwise
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@@ -204,7 +241,7 @@ int ConvertUnixToDosNewFile(char *ipInFN
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int RetVal = 0;
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FILE *InF = NULL;
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FILE *TempF = NULL;
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- char TempPath[16];
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+ char *TempPath;
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struct stat StatBuf;
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struct utimbuf UTimeBuf;
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int fd;
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@@ -213,8 +250,7 @@ int ConvertUnixToDosNewFile(char *ipInFN
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if ((ipFlag->KeepDate) && stat(ipInFN, &StatBuf))
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RetVal = -1;
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- strcpy (TempPath, "./u2dtmpXXXXXX");
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- if((fd=mkstemp (TempPath)) < 0) {
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+ if((fd = MakeTempFileFrom (ipOutFN, &TempPath)) < 0) {
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perror("Can't open output temp file");
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RetVal = -1;
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}
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@@ -231,6 +267,7 @@ int ConvertUnixToDosNewFile(char *ipInFN
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if ((!RetVal) && (InF) && ((TempF=OpenOutFile(fd)) == NULL))
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{
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fclose (InF);
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+ InF = NULL;
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RetVal = -1;
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}
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@@ -265,9 +302,6 @@ int ConvertUnixToDosNewFile(char *ipInFN
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/* can rename temp file to out file? */
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if (!RetVal)
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{
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- if (stat(ipOutFN, &StatBuf) == 0)
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- unlink(ipOutFN);
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-
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if ((rename(TempPath, ipOutFN) == -1) && (!ipFlag->Quiet))
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{
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fprintf(stderr, "unix2dos: problems renaming '%s' to '%s'\n", TempPath, ipOutFN);
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@@ -275,6 +309,7 @@ int ConvertUnixToDosNewFile(char *ipInFN
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RetVal = -1;
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}
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}
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+ free(TempPath);
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return RetVal;
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}
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@@ -289,7 +324,7 @@ int ConvertUnixToDosOldFile(char* ipInFN
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int RetVal = 0;
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FILE *InF = NULL;
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FILE *TempF = NULL;
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- char TempPath[16];
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+ char *TempPath;
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struct stat StatBuf;
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struct utimbuf UTimeBuf;
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mode_t mode = S_IRUSR | S_IWUSR;
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@@ -301,8 +336,7 @@ int ConvertUnixToDosOldFile(char* ipInFN
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else
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mode = StatBuf.st_mode;
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- strcpy (TempPath, "./u2dtmpXXXXXX");
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- if((fd=mkstemp (TempPath)) < 0) {
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+ if((fd = MakeTempFileFrom(ipInFN, &TempPath)) < 0) {
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perror("Can't open output temp file");
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RetVal = -1;
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}
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@@ -322,6 +356,7 @@ int ConvertUnixToDosOldFile(char* ipInFN
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if ((!RetVal) && (InF) && ((TempF=OpenOutFile(fd)) == NULL))
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{
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fclose (InF);
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+ InF = NULL;
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RetVal = -1;
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}
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@@ -349,10 +384,6 @@ int ConvertUnixToDosOldFile(char* ipInFN
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RetVal = -1;
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}
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- /* can delete in file? */
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- if ((!RetVal) && (unlink(ipInFN) == -1))
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- RetVal = -1;
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-
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/* any error? */
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if ((RetVal) && (unlink(TempPath)))
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RetVal = -1;
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@@ -367,6 +398,7 @@ int ConvertUnixToDosOldFile(char* ipInFN
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}
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RetVal = -1;
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}
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+ free(TempPath);
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return RetVal;
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}
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