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author | Mark Adler <madler@alumni.caltech.edu> | 2024-02-06 15:59:25 -0800 |
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committer | Mark Adler <madler@alumni.caltech.edu> | 2024-02-06 18:27:44 -0800 |
commit | e342bb3daef3f6d89dd1d39a3059355db5a64c49 (patch) | |
tree | a576c06ea7322b32e9232971fa57c515f78f61f5 /gzguts.h | |
parent | 915a3d5b7be87a66bc3c3e1652c596658962e6a1 (diff) | |
download | zlib-e342bb3daef3f6d89dd1d39a3059355db5a64c49.tar.gz zlib-e342bb3daef3f6d89dd1d39a3059355db5a64c49.tar.bz2 zlib-e342bb3daef3f6d89dd1d39a3059355db5a64c49.zip |
Assume no snprintf() or vsnprintf() if C89/90 in gzguts.h.
Those functions were introduced in C99. However it is assumed that
they are there if under Windows, since Visual C claims C89/90, but
does have those functions, or variants.
Diffstat (limited to 'gzguts.h')
-rw-r--r-- | gzguts.h | 33 |
1 files changed, 14 insertions, 19 deletions
@@ -72,33 +72,28 @@ | |||
72 | #endif | 72 | #endif |
73 | 73 | ||
74 | #ifndef HAVE_VSNPRINTF | 74 | #ifndef HAVE_VSNPRINTF |
75 | # ifdef MSDOS | 75 | # if !defined(NO_vsnprintf) && \ |
76 | (defined(MSDOS) || defined(__TURBOC__) || defined(__SASC) || \ | ||
77 | defined(VMS) || defined(__OS400) || defined(__MVS__)) | ||
76 | /* vsnprintf may exist on some MS-DOS compilers (DJGPP?), | 78 | /* vsnprintf may exist on some MS-DOS compilers (DJGPP?), |
77 | but for now we just assume it doesn't. */ | 79 | but for now we just assume it doesn't. */ |
78 | # define NO_vsnprintf | 80 | # define NO_vsnprintf |
79 | # endif | 81 | # endif |
80 | # ifdef __TURBOC__ | ||
81 | # define NO_vsnprintf | ||
82 | # endif | ||
83 | # ifdef WIN32 | 82 | # ifdef WIN32 |
84 | /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */ | 83 | /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */ |
85 | # if !defined(vsnprintf) && !defined(NO_vsnprintf) | 84 | # if !defined(_MSC_VER) || ( defined(_MSC_VER) && _MSC_VER < 1500 ) |
86 | # if !defined(_MSC_VER) || ( defined(_MSC_VER) && _MSC_VER < 1500 ) | 85 | # ifndef vsnprintf |
87 | # define vsnprintf _vsnprintf | 86 | # define vsnprintf _vsnprintf |
88 | # endif | 87 | # endif |
89 | # endif | 88 | # endif |
90 | # endif | 89 | # elif !defined(__STDC_VERSION__) || __STDC_VERSION__-0 < 199901L |
91 | # ifdef __SASC | 90 | /* Otherwise if C89/90, assume no C99 snprintf() or vsnprintf() */ |
92 | # define NO_vsnprintf | 91 | # ifndef NO_snprintf |
93 | # endif | 92 | # define NO_snprintf |
94 | # ifdef VMS | 93 | # endif |
95 | # define NO_vsnprintf | 94 | # ifndef NO_vsnprintf |
96 | # endif | 95 | # define NO_vsnprintf |
97 | # ifdef __OS400__ | 96 | # endif |
98 | # define NO_vsnprintf | ||
99 | # endif | ||
100 | # ifdef __MVS__ | ||
101 | # define NO_vsnprintf | ||
102 | # endif | 97 | # endif |
103 | #endif | 98 | #endif |
104 | 99 | ||