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| author | shmel1k <shmel1k@ydb.tech> | 2022-09-02 12:44:59 +0300 |
|---|---|---|
| committer | shmel1k <shmel1k@ydb.tech> | 2022-09-02 12:44:59 +0300 |
| commit | 90d450f74722da7859d6f510a869f6c6908fd12f (patch) | |
| tree | 538c718dedc76cdfe37ad6d01ff250dd930d9278 /contrib/libs/libf2c/getenv_.c | |
| parent | 01f64c1ecd0d4ffa9e3a74478335f1745f26cc75 (diff) | |
| download | ydb-90d450f74722da7859d6f510a869f6c6908fd12f.tar.gz | |
[] add metering mode to CLI
Diffstat (limited to 'contrib/libs/libf2c/getenv_.c')
| -rw-r--r-- | contrib/libs/libf2c/getenv_.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/contrib/libs/libf2c/getenv_.c b/contrib/libs/libf2c/getenv_.c new file mode 100644 index 0000000000..b615a37e5e --- /dev/null +++ b/contrib/libs/libf2c/getenv_.c @@ -0,0 +1,62 @@ +#include "f2c.h" +#undef abs +#ifdef KR_headers +extern char *F77_aloc(), *getenv(); +#else +#include <stdlib.h> +#include <string.h> +#ifdef __cplusplus +extern "C" { +#endif +extern char *F77_aloc(ftnlen, const char*); +#endif + +/* + * getenv - f77 subroutine to return environment variables + * + * called by: + * call getenv (ENV_NAME, char_var) + * where: + * ENV_NAME is the name of an environment variable + * char_var is a character variable which will receive + * the current value of ENV_NAME, or all blanks + * if ENV_NAME is not defined + */ + +#ifdef KR_headers + VOID +getenv_(fname, value, flen, vlen) char *value, *fname; ftnlen vlen, flen; +#else + void +getenv_(char *fname, char *value, ftnlen flen, ftnlen vlen) +#endif +{ + char buf[256], *ep, *fp; + integer i; + + if (flen <= 0) + goto add_blanks; + for(i = 0; i < sizeof(buf); i++) { + if (i == flen || (buf[i] = fname[i]) == ' ') { + buf[i] = 0; + ep = getenv(buf); + goto have_ep; + } + } + while(i < flen && fname[i] != ' ') + i++; + strncpy(fp = F77_aloc(i+1, "getenv_"), fname, (int)i); + fp[i] = 0; + ep = getenv(fp); + free(fp); + have_ep: + if (ep) + while(*ep && vlen-- > 0) + *value++ = *ep++; + add_blanks: + while(vlen-- > 0) + *value++ = ' '; + } +#ifdef __cplusplus +} +#endif |