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Change sanitization check for ExportDataAsCode

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I opted to use `isalnum` function since it should handle most cases. It
cannot however handle cases of files beginning with numbers.
This commit is contained in:
lauchimoon 2024-02-26 08:09:11 -03:00
parent 1fc4f4ac9c
commit 88063395ff
1 changed files with 3 additions and 2 deletions
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5
src/utils.c
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@ -48,6 +48,7 @@
#include <stdio.h> // Required for: FILE, fopen(), fseek(), ftell(), fread(), fwrite(), fprintf(), vprintf(), fclose()
#include <stdarg.h> // Required for: va_list, va_start(), va_end()
#include <string.h> // Required for: strcpy(), strcat()
#include <ctype.h> // Required for: isalnum()
//----------------------------------------------------------------------------------
// Defines and Macros
@ -320,8 +321,8 @@ bool ExportDataAsCode(const unsigned char *data, int dataSize, const char *fileN
{
// Convert variable name to uppercase
if ((varFileName[i] >= 'a') && (varFileName[i] <= 'z')) { varFileName[i] = varFileName[i] - 32; }
// Replace '-' (non valid character for C identifier with '_')
if (varFileName[i] == '-') { varFileName[i] = '_'; }
// Replace non valid character for C identifier with '_'
if (!isalnum(varFileName[i])) { varFileName[i] = '_'; }
}
byteCount += sprintf(txtData + byteCount, "#define %s_DATA_SIZE %i\n\n", varFileName, dataSize);