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library: Check for errors properly in FAT functions

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This commit is contained in:
Antonio Niño Díaz 2023-11-12 01:23:51 +00:00
parent 334c1aa9ab
commit 056042cd31
1 changed files with 16 additions and 2 deletions
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18
source/NEFAT.c
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@ -17,7 +17,13 @@ char *NE_FATLoadData(const char *filename)
return NULL;
}
fseek(f, 0, SEEK_END);
if (fseek(f, 0, SEEK_END) != 0)
{
NE_DebugPrint("Failed to fseek: %s", filename);
fclose(f);
return NULL;
}
size_t size = ftell(f);
rewind(f);
@ -25,12 +31,14 @@ char *NE_FATLoadData(const char *filename)
if (buffer == NULL)
{
NE_DebugPrint("Not enought memory to load %s", filename);
fclose(f);
return NULL;
}
if (fread(buffer, 1, size, f) != size)
{
NE_DebugPrint("Failed to read data of %s", filename);
fclose(f);
return NULL;
}
@ -47,7 +55,13 @@ size_t NE_FATFileSize(const char *filename)
return -1;
}
fseek(f, 0, SEEK_END);
if (fseek(f, 0, SEEK_END) != 0)
{
NE_DebugPrint("Failed to fseek: %s", filename);
fclose(f);
return -1;
}
size_t size = ftell(f);
fclose(f);
return size;