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some strncpy/strncat fixes

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This commit is contained in:
svdijk 2013-05-07 21:46:46 +02:00
parent d4c5960f8f
commit 9803652781
4 changed files with 22 additions and 34 deletions
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15
src/refresh/files/jpeg.c
View file

@ -85,17 +85,14 @@ LoadJPG(char *origname, byte **pic, int *width, int *height)
byte *rawdata, *rgbadata, *scanline, *p, *q; byte *rawdata, *rgbadata, *scanline, *p, *q;
unsigned int rawsize, i; unsigned int rawsize, i;
/* Add the extension */ strncpy(filename, origname, sizeof(filename) - 1);
len = strlen(origname); filename[sizeof(filename) - 1] = '\0';
if (strcmp(origname + len - 4, ".jpg")) /* Add the extension */
len = strlen(filename);
if (strcmp(filename + len - 4, ".jpg"))
{ {
strncpy(filename, origname, 256); strncat(filename, ".jpg", sizeof(filename) - 1 - len);
strncat(filename, ".jpg", 255);
}
else
{
strncpy(filename, origname, 256);
} }
*pic = NULL; *pic = NULL;

13
src/refresh/files/pcx.c
View file

@ -38,17 +38,14 @@ LoadPCX(char *origname, byte **pic, byte **palette, int *width, int *height)
byte *out, *pix; byte *out, *pix;
char filename[256]; char filename[256];
strncpy(filename, origname, sizeof(filename) - 1);
filename[sizeof(filename) - 1] = '\0';
/* Add the extension */ /* Add the extension */
filelen = strlen(origname); filelen = strlen(origname);
if (strcmp(filename + filelen - 4, ".pcx"))
if (strcmp(origname + filelen - 4, ".pcx"))
{ {
strncpy(filename, origname, 256); strncat(filename, ".pcx", sizeof(filename) - 1 - filelen);
strncat(filename, ".pcx", 255);
}
else
{
strncpy(filename, origname, 256);
} }
*pic = NULL; *pic = NULL;

13
src/refresh/files/tga.c
View file

@ -50,17 +50,14 @@ LoadTGA(char *origname, byte **pic, int *width, int *height)
char name[256]; char name[256];
int len; int len;
strncpy(name, origname, sizeof(name) - 1);
name[sizeof(name) - 1] = '\0';
/* Add the extension */ /* Add the extension */
len = strlen(origname); len = strlen(origname);
if (strcmp(name + len - 4, ".tga"))
if (strcmp(origname + len - 4, ".tga"))
{ {
strncpy(name, origname, 256); strncat(name, ".tga", sizeof(name) - 1 - len);
strncat(name, ".tga", 255);
}
else
{
strncpy(name, origname, 256);
} }
*pic = NULL; *pic = NULL;

15
src/refresh/files/wal.c
View file

@ -35,17 +35,14 @@ LoadWal(char *origname)
int len; int len;
char name[256]; char name[256];
/* Add the extension */ strncpy(name, origname, sizeof(name) - 1);
len = strlen(origname); name[sizeof(name) - 1] = '\0';
if (strcmp(origname + len - 4, ".wal")) /* Add the extension */
len = strlen(name);
if (strcmp(name + len - 4, ".wal"))
{ {
strncpy(name, origname, 256); strncat(name, ".wal", sizeof(name) - 1 - len);
strncat(name, ".wal", 255);
}
else
{
strncpy(name, origname, 256);
} }
ri.FS_LoadFile(name, (void **)&mt); ri.FS_LoadFile(name, (void **)&mt);