Fixed findings

List of Findings

Error: COMPILER_WARNING (CWE-457): [#def1]
libpng-1.6.40-build/libpng-1.6.40/pngerror.c:19: included_from: Included from here.
libpng-1.6.40-build/libpng-1.6.40/pngerror.c: scope_hint: In function 'png_warning_parameter_unsigned'
libpng-1.6.40-build/libpng-1.6.40/pngpriv.h:1740:4: warning[-Wmaybe-uninitialized]: 'buffer' may be used uninitialized
# 1740 |    png_format_number(buffer, buffer + (sizeof buffer), format, number)
#      |    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
libpng-1.6.40-build/libpng-1.6.40/pngerror.c:133:1: note: by argument 1 of type 'const char *' to 'png_format_number' declared here
#  133 | png_format_number(png_const_charp start, png_charp end, int format,
#      | ^~~~~~~~~~~~~~~~~
libpng-1.6.40-build/libpng-1.6.40/pngerror.c:258:9: note: 'buffer' declared here
#  258 |    char buffer[PNG_NUMBER_BUFFER_SIZE];
#      |         ^~~~~~
# 1738|   /* Convenience macro that takes an array: */
# 1739|   #define PNG_FORMAT_NUMBER(buffer,format,number) \
# 1740|->    png_format_number(buffer, buffer + (sizeof buffer), format, number)
# 1741|   
# 1742|   /* Suggested size for a number buffer (enough for 64 bits and a sign!) */

Error: COMPILER_WARNING (CWE-457): [#def2]
libpng-1.6.40-build/libpng-1.6.40/png.c: scope_hint: In function 'png_convert_to_rfc1123_buffer'
libpng-1.6.40-build/libpng-1.6.40/pngpriv.h:1740:4: warning[-Wmaybe-uninitialized]: 'number_buf' may be used uninitialized
# 1740 |    png_format_number(buffer, buffer + (sizeof buffer), format, number)
libpng-1.6.40-build/libpng-1.6.40/png.h:335: included_from: Included from here.
libpng-1.6.40-build/libpng-1.6.40/pngpriv.h:392: included_from: Included from here.
libpng-1.6.40-build/libpng-1.6.40/png.c:14: included_from: Included from here.
libpng-1.6.40-build/libpng-1.6.40/pngpriv.h:1735:33: note: by argument 1 of type 'const char *' to 'png_format_number' declared here
# 1735 | PNG_INTERNAL_FUNCTION(png_charp,png_format_number,(png_const_charp start,
#      |                                 ^~~~~~~~~~~~~~~~~
libpng-1.6.40-build/libpng-1.6.40/png.c:755:12: note: 'number_buf' declared here
#  755 |       char number_buf[5]; /* enough for a four-digit year */
#      |            ^~~~~~~~~~
# 1738|   /* Convenience macro that takes an array: */
# 1739|   #define PNG_FORMAT_NUMBER(buffer,format,number) \
# 1740|->    png_format_number(buffer, buffer + (sizeof buffer), format, number)
# 1741|   
# 1742|   /* Suggested size for a number buffer (enough for 64 bits and a sign!) */

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